Chevrolet 2001 Impala Owner's Manual page 310

Then, without shutting off the engine, follow these steps:
3400 (Code E)
V6 Engine
The transaxle fluid dipstick handle is the red loop near
the rear of the engine compartment, toward the center.
See "Engine Compartment Overview" in the Index for
more information on location.
1. Pull out the dipstick and wipe it with a clean rag or
paper towel.
2. Push it back in all the way, wait three seconds and
then pull it back out again.
3800 (Code K)
V6 Engine
3400 (Code E)
V6 Engine
3. Check both sides of the dipstick, and read the
lower level. The fluid level must be in the
-
cross hatched area.
4. If the fluid level is in the acceptable range, push the
dipstick back in all the way.
3800 (Code K)
V6 Engine
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